Please do not compared to hospital equipment about reading,it is NOT a medical device !

Before using, scan the QR code on the manual to download the app and connect it to the watch with APP.

1. Items will be shipped timely after the payment verification. 2.The Aliexpress standard shipping time of arrival is between 15 and 60 days (Brazil 60-90 days). If your item does not arrive within 39 days, please let us know. If you did not receive the goods in 60 days (Brazil 90 days), we will 100% refund your payment.

3.If there is no logistics information, please contact us first to help you inquire.

1.If the product will not be used, don\'t worry, please contact us first, we will help you solve it. Due to the time difference, we usually reply within 24 hours, except holidays.

2.One year warranty for the product you ordered from us!

3.We can\'t offer warranty service for products which have Man-made damage, including but not limited to: bumped by user / fall in water by user / disassemble by user / other man-made damage detected by the official service center. 4.For returned product, Please write your order No. on a paper and put it into the box.Tell us the return tracking No. and tracking site.

Your satisfaction is our eternal pursuit. As the following picture, please give us Full 5 Stars if you are satisfied with our goods and service. If any issues, please do not hesitate to contact us for correcting it. Thank you!